1161650204 has 48 divisors (see below), whose sum is σ = 2407243776. Its totient is φ = 483537600.

The previous prime is 1161650201. The next prime is 1161650249. The reversal of 1161650204 is 4020561611.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161650201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64649 + ... + 80639.

It is an arithmetic number, because the mean of its divisors is an integer number (50150912).

Almost surely, 2^1161650204 is an apocalyptic number.

It is an amenable number.

1161650204 is an abundant number, since it is smaller than the sum of its proper divisors (1245593572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161650204 is a wasteful number, since it uses less digits than its factorization.

1161650204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16146 (or 16144 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1161650204 is about 34082.9899510005. The cubic root of 1161650204 is about 1051.2155850690.

The spelling of 1161650204 in words is "one billion, one hundred sixty-one million, six hundred fifty thousand, two hundred four".